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Nava-Farias, Lorena; Neeway, James J.; Schweiger, Michael J.; Marcial, José; Canfield, Nathan L.; Pearce, Carolyn I.; Peeler, David K.; Vicenzi, Edward P.; Kosson, David S.; Delapp, Rossane C.; McCloy, John S.; Walling, Sam A.; Thorpe, Clare L.; Corkhill, Claire L.; Hand, Russell J.; Sjöblom, Rolf; Kruger, Albert A.

Applying laboratory methods for durability assessment of vitrified material to archaeological samples

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  • Media type: E-Article
  • Title: Applying laboratory methods for durability assessment of vitrified material to archaeological samples
  • Contributor: Nava-Farias, Lorena; Neeway, James J.; Schweiger, Michael J.; Marcial, José; Canfield, Nathan L.; Pearce, Carolyn I.; Peeler, David K.; Vicenzi, Edward P.; Kosson, David S.; Delapp, Rossane C.; McCloy, John S.; Walling, Sam A.; Thorpe, Clare L.; Corkhill, Claire L.; Hand, Russell J.; Sjöblom, Rolf; Kruger, Albert A.
  • Published: Springer Science and Business Media LLC, 2021
  • Published in: npj Materials Degradation, 5 (2021) 1
  • Language: English
  • DOI: 10.1038/s41529-021-00204-2
  • ISSN: 2397-2106
  • Origination:
  • Footnote:
  • Description: AbstractLaboratory testing used to assess the long-term chemical durability of nuclear waste forms may not be applicable to disposal because the accelerated conditions may not represent disposal conditions. To address this, we examine the corrosion of vitrified archeological materials excavated from the near surface of a ~1500-year old Iron Age Swedish hillfort, Broborg, as an analog for the disposal of vitrified nuclear waste. We compare characterized site samples with corrosion characteristics generated by standard laboratory durability test methods including the product consistency test (PCT), the vapor hydration test (VHT), and the EPA Method 1313 test. Results show that the surficial layer of the Broborg samples resulting from VHT displays some similarities to the morphology of the surficial layer formed over longer timescales in the environment. This work provides improved understanding of long-term glass corrosion behavior in terms of the thickness, morphology, and chemistry of the surficial features that are formed.
  • Access State: Open Access